Investigating immunoglobulin types in autoimmune diseases with high antibody levels

The Distribution of Immunoglobulin Isotype in Polyclonal Hypergammaglobulinemia in Systemic and Autoimmune Diseases

Observational Centre Hospitalier Universitaire, Amiens · NCT06054373

This study is trying to see if the types of antibodies in people with certain autoimmune diseases can help predict the risk of developing conditions like lymphoma or monoclonal gammopathy.

Quick facts

Study typeObservational
Enrollment150 (estimated)
Ages18 Years and up
SexAll
SponsorCentre Hospitalier Universitaire, Amiens Academic / other
Locations1 site (Amiens)
Trial IDNCT06054373 on ClinicalTrials.gov

What this trial studies

This observational study aims to explore the distribution of immunoglobulin isotypes in patients suffering from polyclonal hypergammaglobulinemia associated with autoimmune diseases. It will focus on conditions such as systemic lupus erythematosus, rheumatoid arthritis, and Sjögren's syndrome, among others. The study seeks to determine whether the distribution of these isotypes can serve as a predictor for conditions like lymphoma or monoclonal gammopathy. By analyzing the immunoglobulin profiles, the researchers hope to gain insights into the disease-specific characteristics of polyclonal hypergammaglobulinemia.

Who should consider this trial

Good fit: Ideal candidates include adults over 18 with autoimmune diseases such as systemic lupus erythematosus, rheumatoid arthritis, or Sjögren's syndrome.

Not a fit: Patients under 18 or those with chronic viral hepatitis, HIV, syphilis, or tuberculosis may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could enhance the understanding of autoimmune diseases and improve predictive measures for serious complications like lymphoma.

How similar studies have performed: While the specific approach of analyzing immunoglobulin isotypes in this context may be novel, related studies have shown the importance of immunoglobulin profiles in understanding autoimmune diseases.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* All adult patients \> 18 years old
* patients with one of the following diseases: systemic lupus erythematosus, rheumatoid arthritis, Sjögren's syndrome, autoimmune hepatitis, sarcoidosis or lymphoma.

Exclusion Criteria:

* Age \< 18 years;
* chronic viral hepatitis;
* HIV infection, syphilis,
* tuberculosis

Where this trial is running

Amiens

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Polyclonal HypergammaglobulinemiaAutoimmune Diseasesimmunoglobulin isotypes
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.